From 0e004c696b0e68b2cff37a4c3315b022a35eaf43 Mon Sep 17 00:00:00 2001 From: Perberos Date: Thu, 1 Dec 2011 22:24:23 -0300 Subject: moving from https://github.com/perberos/mate-desktop-environment --- libcaja-private/caja-desktop-link.c | 479 ++++++++++++++++++++++++++++++++++++ 1 file changed, 479 insertions(+) create mode 100644 libcaja-private/caja-desktop-link.c (limited to 'libcaja-private/caja-desktop-link.c') diff --git a/libcaja-private/caja-desktop-link.c b/libcaja-private/caja-desktop-link.c new file mode 100644 index 00000000..e632a5b0 --- /dev/null +++ b/libcaja-private/caja-desktop-link.c @@ -0,0 +1,479 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- + + caja-desktop-link.c: Class that handles the links on the desktop + + Copyright (C) 2003 Red Hat, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public + License along with this program; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + Author: Alexander Larsson +*/ + +#include +#include "caja-desktop-link.h" +#include "caja-desktop-link-monitor.h" +#include "caja-desktop-icon-file.h" +#include "caja-directory-private.h" +#include "caja-desktop-directory.h" +#include "caja-icon-names.h" +#include +#include +#include +#include +#include +#include + +struct CajaDesktopLinkDetails +{ + CajaDesktopLinkType type; + char *filename; + char *display_name; + GFile *activation_location; + GIcon *icon; + + CajaDesktopIconFile *icon_file; + + GObject *signal_handler_obj; + gulong signal_handler; + + /* Just for mount icons: */ + GMount *mount; +}; + +G_DEFINE_TYPE(CajaDesktopLink, caja_desktop_link, G_TYPE_OBJECT) + +static void +create_icon_file (CajaDesktopLink *link) +{ + link->details->icon_file = caja_desktop_icon_file_new (link); +} + +static void +caja_desktop_link_changed (CajaDesktopLink *link) +{ + if (link->details->icon_file != NULL) + { + caja_desktop_icon_file_update (link->details->icon_file); + } +} + +static void +mount_changed_callback (GMount *mount, CajaDesktopLink *link) +{ + g_free (link->details->display_name); + if (link->details->activation_location) + { + g_object_unref (link->details->activation_location); + } + if (link->details->icon) + { + g_object_unref (link->details->icon); + } + + link->details->display_name = g_mount_get_name (mount); + link->details->activation_location = g_mount_get_default_location (mount); + link->details->icon = g_mount_get_icon (mount); + + caja_desktop_link_changed (link); +} + +static void +trash_state_changed_callback (CajaTrashMonitor *trash_monitor, + gboolean state, + gpointer callback_data) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (callback_data); + g_assert (link->details->type == CAJA_DESKTOP_LINK_TRASH); + + if (link->details->icon) + { + g_object_unref (link->details->icon); + } + link->details->icon = caja_trash_monitor_get_icon (); + + caja_desktop_link_changed (link); +} + +static void +home_name_changed (gpointer callback_data) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (callback_data); + g_assert (link->details->type == CAJA_DESKTOP_LINK_HOME); + + g_free (link->details->display_name); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_HOME_NAME); + + caja_desktop_link_changed (link); +} + +static void +computer_name_changed (gpointer callback_data) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (callback_data); + g_assert (link->details->type == CAJA_DESKTOP_LINK_COMPUTER); + + g_free (link->details->display_name); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME); + + caja_desktop_link_changed (link); +} + +static void +trash_name_changed (gpointer callback_data) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (callback_data); + g_assert (link->details->type == CAJA_DESKTOP_LINK_TRASH); + + g_free (link->details->display_name); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_TRASH_NAME); + caja_desktop_link_changed (link); +} + +static void +network_name_changed (gpointer callback_data) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (callback_data); + g_assert (link->details->type == CAJA_DESKTOP_LINK_NETWORK); + + g_free (link->details->display_name); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME); + caja_desktop_link_changed (link); +} + +CajaDesktopLink * +caja_desktop_link_new (CajaDesktopLinkType type) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (g_object_new (CAJA_TYPE_DESKTOP_LINK, NULL)); + + link->details->type = type; + switch (type) + { + case CAJA_DESKTOP_LINK_HOME: + link->details->filename = g_strdup ("home"); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_HOME_NAME); + link->details->activation_location = g_file_new_for_path (g_get_home_dir ()); + link->details->icon = g_themed_icon_new (CAJA_ICON_HOME); + + eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_HOME_NAME, + home_name_changed, + link); + + break; + + case CAJA_DESKTOP_LINK_COMPUTER: + link->details->filename = g_strdup ("computer"); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME); + link->details->activation_location = g_file_new_for_uri ("computer:///"); + /* TODO: This might need a different icon: */ + link->details->icon = g_themed_icon_new (CAJA_ICON_COMPUTER); + + eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME, + computer_name_changed, + link); + + break; + + case CAJA_DESKTOP_LINK_TRASH: + link->details->filename = g_strdup ("trash"); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_TRASH_NAME); + link->details->activation_location = g_file_new_for_uri (EEL_TRASH_URI); + link->details->icon = caja_trash_monitor_get_icon (); + + eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_TRASH_NAME, + trash_name_changed, + link); + link->details->signal_handler_obj = G_OBJECT (caja_trash_monitor_get ()); + link->details->signal_handler = + g_signal_connect_object (caja_trash_monitor_get (), "trash_state_changed", + G_CALLBACK (trash_state_changed_callback), link, 0); + break; + + case CAJA_DESKTOP_LINK_NETWORK: + link->details->filename = g_strdup ("network"); + link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME); + link->details->activation_location = g_file_new_for_uri ("network:///"); + link->details->icon = g_themed_icon_new (CAJA_ICON_NETWORK); + + eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME, + network_name_changed, + link); + break; + + default: + case CAJA_DESKTOP_LINK_MOUNT: + g_assert_not_reached(); + } + + create_icon_file (link); + + return link; +} + +CajaDesktopLink * +caja_desktop_link_new_from_mount (GMount *mount) +{ + CajaDesktopLink *link; + GVolume *volume; + char *name, *filename; + + link = CAJA_DESKTOP_LINK (g_object_new (CAJA_TYPE_DESKTOP_LINK, NULL)); + + link->details->type = CAJA_DESKTOP_LINK_MOUNT; + + link->details->mount = g_object_ref (mount); + + /* We try to use the drive name to get somewhat stable filenames + for metadata */ + volume = g_mount_get_volume (mount); + if (volume != NULL) + { + name = g_volume_get_name (volume); + g_object_unref (volume); + } + else + { + name = g_mount_get_name (mount); + } + + /* Replace slashes in name */ + filename = g_strconcat (g_strdelimit (name, "/", '-'), ".volume", NULL); + link->details->filename = + caja_desktop_link_monitor_make_filename_unique (caja_desktop_link_monitor_get (), + filename); + g_free (filename); + g_free (name); + + link->details->display_name = g_mount_get_name (mount); + + link->details->activation_location = g_mount_get_default_location (mount); + link->details->icon = g_mount_get_icon (mount); + + link->details->signal_handler_obj = G_OBJECT (mount); + link->details->signal_handler = + g_signal_connect (mount, "changed", + G_CALLBACK (mount_changed_callback), link); + + create_icon_file (link); + + return link; +} + +GMount * +caja_desktop_link_get_mount (CajaDesktopLink *link) +{ + if (link->details->mount) + { + return g_object_ref (link->details->mount); + } + return NULL; +} + +CajaDesktopLinkType +caja_desktop_link_get_link_type (CajaDesktopLink *link) +{ + return link->details->type; +} + +char * +caja_desktop_link_get_file_name (CajaDesktopLink *link) +{ + return g_strdup (link->details->filename); +} + +char * +caja_desktop_link_get_display_name (CajaDesktopLink *link) +{ + return g_strdup (link->details->display_name); +} + +GIcon * +caja_desktop_link_get_icon (CajaDesktopLink *link) +{ + if (link->details->icon != NULL) + { + return g_object_ref (link->details->icon); + } + return NULL; +} + +GFile * +caja_desktop_link_get_activation_location (CajaDesktopLink *link) +{ + if (link->details->activation_location) + { + return g_object_ref (link->details->activation_location); + } + return NULL; +} + +char * +caja_desktop_link_get_activation_uri (CajaDesktopLink *link) +{ + if (link->details->activation_location) + { + return g_file_get_uri (link->details->activation_location); + } + return NULL; +} + + +gboolean +caja_desktop_link_get_date (CajaDesktopLink *link, + CajaDateType date_type, + time_t *date) +{ + return FALSE; +} + +gboolean +caja_desktop_link_can_rename (CajaDesktopLink *link) +{ + return (link->details->type == CAJA_DESKTOP_LINK_HOME || + link->details->type == CAJA_DESKTOP_LINK_TRASH || + link->details->type == CAJA_DESKTOP_LINK_NETWORK || + link->details->type == CAJA_DESKTOP_LINK_COMPUTER); +} + +gboolean +caja_desktop_link_rename (CajaDesktopLink *link, + const char *name) +{ + switch (link->details->type) + { + case CAJA_DESKTOP_LINK_HOME: + eel_preferences_set (CAJA_PREFERENCES_DESKTOP_HOME_NAME, + name); + break; + case CAJA_DESKTOP_LINK_COMPUTER: + eel_preferences_set (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME, + name); + break; + case CAJA_DESKTOP_LINK_TRASH: + eel_preferences_set (CAJA_PREFERENCES_DESKTOP_TRASH_NAME, + name); + break; + case CAJA_DESKTOP_LINK_NETWORK: + eel_preferences_set (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME, + name); + break; + default: + g_assert_not_reached (); + /* FIXME: Do we want volume renaming? + * We didn't support that before. */ + break; + } + + return TRUE; +} + +static void +caja_desktop_link_init (CajaDesktopLink *link) +{ + link->details = G_TYPE_INSTANCE_GET_PRIVATE (link, + CAJA_TYPE_DESKTOP_LINK, + CajaDesktopLinkDetails); +} + +static void +desktop_link_finalize (GObject *object) +{ + CajaDesktopLink *link; + + link = CAJA_DESKTOP_LINK (object); + + if (link->details->signal_handler != 0) + { + g_signal_handler_disconnect (link->details->signal_handler_obj, + link->details->signal_handler); + } + + if (link->details->icon_file != NULL) + { + caja_desktop_icon_file_remove (link->details->icon_file); + caja_file_unref (CAJA_FILE (link->details->icon_file)); + link->details->icon_file = NULL; + } + + if (link->details->type == CAJA_DESKTOP_LINK_HOME) + { + eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_HOME_NAME, + home_name_changed, + link); + } + + if (link->details->type == CAJA_DESKTOP_LINK_COMPUTER) + { + eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME, + computer_name_changed, + link); + } + + if (link->details->type == CAJA_DESKTOP_LINK_TRASH) + { + eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_TRASH_NAME, + trash_name_changed, + link); + } + + if (link->details->type == CAJA_DESKTOP_LINK_NETWORK) + { + eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME, + network_name_changed, + link); + } + + if (link->details->type == CAJA_DESKTOP_LINK_MOUNT) + { + g_object_unref (link->details->mount); + } + + g_free (link->details->filename); + g_free (link->details->display_name); + if (link->details->activation_location) + { + g_object_unref (link->details->activation_location); + } + if (link->details->icon) + { + g_object_unref (link->details->icon); + } + + G_OBJECT_CLASS (caja_desktop_link_parent_class)->finalize (object); +} + +static void +caja_desktop_link_class_init (CajaDesktopLinkClass *klass) +{ + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = desktop_link_finalize; + + g_type_class_add_private (object_class, sizeof(CajaDesktopLinkDetails)); +} -- cgit v1.2.1